VALIDATE ALL WOLRD MAIL RULES Very simple expression Less than 140 caracters. Validate on SonarQube typescript, javascript, angular rules ...

Cloud Flare

email format control

With this C# regex, you can easily match/Parse Nested HTML tags. Example input: ...

Credit: https://gist.github.com/FinalAngel/1876898

Find all href in a tag

A simple RegEx rule which should validate redirect_uri for oAuth2

Reeplace all two or more whitespace in string with a single chararter(ej. one whitespace)

relative to absolute

URL Description from Dr. M. G. @ Brookes

It correctly handles simple values, empty values, and quoted values with commas inside.

Useful for filename sanitization. Matches invalid filename characters. Can be used in preg_replace() calls.

Pattern that only accept numeric value and greater than zero with up to decimal places( you can change the decimal places just replace {1,2} depend on how many decimal places you like

http://stackoverflow.com/questions/2362985/verifying-a-cron-expression-is-valid-in-java

a mac address separated by dashes or colons.

Useful to work with GoogleMap API.